1228510720

Names of 1228510720

• Cardinal: 1228510720 can be written as One billion, two hundred twenty-eight million, five hundred ten thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.22851072 × 10⁹

Factors of 1228510720

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 7935

Divisors of 1228510720

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 61 64 80 122 128 160 244 256 305 320 488 512 610 640 976 1220 1280 1952 2440 2560 3904 4880 7808 7867 9760 15616 15734 19520 31232 31468 39040 39335 62936 78080 78670 125872 156160 157340 251744 314680 479887 503488 629360 959774 1006976 1258720 1919548 2013952 2399435 2517440 3839096 4027904 4798870 5034880 7678192 9597740 10069760 15356384 19195480 20139520 30712768 38390960 61425536 76781920 122851072 153563840 245702144 307127680 614255360 1228510720
• Sum of all divisors σ(n): 2994214608
• Sum of proper divisors (its aliquot sum) s(n): 1765703888
• 1228510720 is an abundant number, because the sum of its proper divisors (1765703888) is greater than itself. Its abundance is 537193168

Bases of 1228510720

• Binary: 1001001001110011001011000000000₂
• Hexadecimal: 0x49399600
• Base-36: KBF8XS

Squares and roots of 1228510720

• 1228510720 squared (1228510720²) is 1509238589154918400
• 1228510720 cubed (1228510720³) is 1854115785814492995125248000
• The square root of 1228510720 is 35050.1172608595
• The cube root of 1228510720 is 1071.0086625089

Scales and comparisons

• 1,228,510,720 seconds is equal to 39 years, 3 weeks, 1 day, 20 hours, 58 minutes, 40 seconds.
• To count from 1 to 1,228,510,720 would take you about seventy-eight years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 1228510720 cubic inches would be around 89.3 feet tall.

Recreational maths with 1228510720

• 1228510720 backwards is 0270158221
• The number of decimal digits it has is: 10
• The sum of 1228510720's digits is 28
• More coming soon!